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Below are listed scales which are strictly proper, in the sense the term is used by music theorist David Rothenberg. The "type" of a scale is defined by the linear temperament supported by 31et in which it has the least span. "Breed type" means it is a tie between miracle and hemiwuerschmidt.

Meantone type

schema
name
example(s)
5535553
Meantone[7]; diatonic scale

5355553
Melodic minor scale

5355373
Harmonic minor scale; inverse harmonic major

5535373
Harmonic major scale; inverse harmonic minor

5533555
Major locrian scale

3717355
Diminished diatonic scale
Strange Diatonic by Chris Vaisvil play Omega centauri by Zach Curley
5535643
Enharmonic major; inverse enharmonic minor

5346535
Enharmonic minor; inverse enharmonic major

5535625
Enharmonic mixolydian

5526535
Inverse enharmonic mixolydian

5526355
Enharmonic major-minor

5553625
Inverse enharmonic major-minor

6435625
Major doubleflat; inverse minor doubleflat

5346526
Minor doubleflat; inverse major doubleflat

5553652
Ping

3555256
Inverse ping

3726355
Alhijaz; inverse ambika

6273553
Ambika; inverse alhijaz

6453652
Kung; inverse ousak

3546256
Ousak; inverse kung


Valentine

6446272
Silver
6444472
Harmonia
4446274
Inverse harmonia
6444562
Pendragon
4626544
Inverse pendragon
6264463
Hipop
4626364
Inverse Hipop
4626445
Malakon
4626454
Inverse malakon
4464526
Bagpipe
4644625
Inverse bagpipe
6444625
Pitu
6444652
Inverse pitu
6444445
Porch
4446544
Inverse porch

Miracle type

5436346
Subdom scale; inverse superton
5643634
Superton scale; inverse subdom
5436364
Nudia; neutral diatonic
5463634
Inverse nudia
3636346
Nurow; Neutral triads in row
6363643
Inverse nurow

Mohajira type

4554454
Sikah; Rast; Neutral Diatonic Hypolydian
4444555
Sheimanic
4554445
Thaiic
4544455
Inverse thaiic
4545454
Mohajira; Neutral Dorian

Hemiwuerschmidt type

5555515
Hemiwuerschmidt/Hemithirds[7]
5544652
Hemaj; inverse hemin
4455256
Hemin; inverse hemaj
4525546
Gypsi; 11/9-10/7-7/4 chord on tonic
4552546
Inverse gypsi; 11/9-10/7-7/4 chord on tonic
5555542
Leadhole
5555524
Inverse leadhole

Mothra type

5553643
Lydic
5553463
Inverse lydic
5535463
Ionic
5364535
Aeolic; inverse ionic
4644463
Quahog
6444643
Inverse quahog
6453643
Higasi
4635463
Inverse higasi

Orwell type

5364463
Orminor
4644643
Ormed
4644364
Augton
4644634
Inverse augton

Breed type

3456265
Hemisub
4356265
Inverse hemisub
6354535
Heminewt
4536535
Inverse heminewt